To overdue something, add unneccesary effort, or to blow it out of proportion.
Liz calhouned our social studies project, writing notecards, making a powerpoint, hiring a marching band and getting Bob Barker as an announcer for our presenation on Moday.
by Becks Grevau May 19, 2007
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When you make an agreement and everything is set in stone, and then somehow someway you end up agreeing to something totally different, but you have no idea what you actually agreed to.
I went to the dealership to buy this new car but somehow I got Calhouned and now I own a jet ski somehow.
by franky4568 March 27, 2014
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(Verb) To consume a minimal amount of an alcoholic beverage, esp. beer.

(Noun) An alcoholic beverage from which a minimal amount has been consumed.
"Look at all these wounded soldiers -- who Calhouned the beers?"

"I found a lot of Calhouns lying around after the party."
by 36Mafia June 14, 2013
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(Noun, adjective): A disaster of huge proportions; anything that reeks of failure. An irksome situation.

(Verb, adverb): To cause spectacular misfortune. To ruin something beyond repair due to ignorance and/or ineptness.

Etymology: Southern United States, with roots primarily in Texas.
He totally dropped the ball — singlehandedly calhouned the whole project.

Enron. What a calhoun that was.

I got calhoun'd on the way to work. it's my second speeding ticket this month.
by upfreak April 30, 2009
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someone who is an unusually proud warrior; able to turn the tide for any battle. (scottish)
Nathan: "We would've never won that battle if it weren't for Mitch."

Tommy: "Yeah, he is totally a Calhoun."
by mufftruffle January 19, 2008
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The bad-ass security guard in Half Life 1 & 2. Barney Calhoun is the playable character in Half-Life: Blue Shift, and a major character in Half-Life 2 as well as Episode One. Michael Shapiro provided Barney's voice in the games of the Half-Life series. Scott Lynch, Valve Software's Chief Operating Officer, lent his face to the game for use in-game as Barney in Half-Life 2.

In Half-Life: Blue Shift, the playable Barney progresses through Black Mesa to escape the events of the resonance cascade, and is able to do so, in contrast to Gordon Freeman and Adrian Shephard, who are held in stasis. In Half-Life 2, Barney works as a mole for the Lambda Resistance in the Combine Civil Protection Forces. He provides the player information in the first chapter, leading him to Kleiner and Vance, and in the third chapter provides the player with his crowbar. The fact that Barney owes Gordon Freeman a beer is a running gag in the series.

Very stealthy. Name/word often used to describe a way of attacking an antagonist in a cool & stealthy way.
Barney Calhoun owes Gordon Freeman a beer.

Barney Calhoun owes ME a beer.

I Barney Calhouned that guy then I was declared hero in my city.
by I Love Mr PhD July 3, 2010
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A slur for a person of both Irish and Italian descent.
"Yo, where'd Patty and Gina go?"
"They're in the bathroom, making little Guido Calhouns."
by Imbnd June 25, 2007
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